/*
 * Copyright 2017 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.kie.workbench.common.services.refactoring.backend.server.query.standard;

import java.util.List;
import java.util.stream.Collectors;

import org.jboss.errai.common.client.api.annotations.Portable;
import org.kie.soup.commons.validation.PortablePreconditions;
import org.kie.workbench.common.services.refactoring.model.index.terms.valueterms.ValueIndexTerm;

@Portable
public class LibraryValueFileExtensionIndexTerm extends LibraryFileExtensionIndexTerm implements ValueIndexTerm {

    private List<String> extensions;
    private TermSearchType searchType;

    public LibraryValueFileExtensionIndexTerm() {
        //Errai marshalling
    }

    public LibraryValueFileExtensionIndexTerm(final List<String> extensions) {
        this(extensions,
             TermSearchType.REGEXP);
    }

    public LibraryValueFileExtensionIndexTerm(final List<String> extensions,
                                              final TermSearchType searchType) {
        this.extensions = PortablePreconditions.checkNotEmpty("extension",
                                                              extensions);
        this.searchType = PortablePreconditions.checkNotNull("searchType",
                                                             searchType);
    }

    @Override
    public String getValue() {
        String orQuery = this.extensions.stream()
                .filter(extension -> extension != null && !extension.isEmpty())
                .collect(Collectors.joining("|"));
        return ".*(" + orQuery + ")";
    }

    @Override
    public TermSearchType getSearchType() {
        return searchType;
    }
}
